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If P(A)=0.8,P(B)=0.5 and P(B|A)=0.4 then...

If `P(A)=0.8,P(B)=0.5` and `P(B|A)=0.4` then find (i) `P(A nn B),` (ii) `P(A|B),` (iii) `P(A uu B)`

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